Strategy to search fragments from breakups in GEO

Details Strategy to search fragments from breakups in GEO Strategy to search fragments from breakups in GEO

Apr 2012

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012adspr..49.1151u&link_type=abstract

Advances in Space Research, Volume 49, Issue 7, p. 1151-1159.

Mathematics

Logic

Scientific paper

This paper proposes a strategy to search fragments from breakups in the Geosynchronous Earth Orbit (GEO) region based upon population prediction and motion prediction by means of ground-based optical observations. Breakup fragments have uncertainties in the states such as their position and motion, or even in their existence. Population prediction and motion prediction resolve those uncertainties. Population prediction evaluates the time-averaged distribution of fragments, whose position at a given time is unknown, in the celestial sphere. Motion prediction evaluates the expected motion of fragments appeared in image series acquired by a telescope's CCD camera. This paper logically describes procedures of the search strategy, and provides mathematical expressions of population prediction and motion prediction. This paper also validates the search strategy via actual observations, in which a confirmed breakup in the GEO region is selected as a target. It is concluded that the proposed strategy is valid even for searching uncataloged fragments from breakups in the GEO region.

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